irc.Irc Class Reference

Collaboration diagram for irc.Irc:

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List of all members.

Public Member Functions
	Irc (JvnObject jo)
Static Public Member Functions
static void	main (String argv[])
Protected Attributes
TextArea	text
TextField	data
JvnObject	sentence

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Detailed Description

This class is a simple demonstration of the Javanaise system. It defines an IRC system, where people can read and write messages. Of course, messages are stored as JvnObjects and use the Javanaise protocol.

Definition at line 22 of file Irc.java.

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Constructor & Destructor Documentation

irc.Irc.Irc

(

JvnObject

jo

)

Constructor: creates the frame and the frame's contents.

Parameters:

jo

the JVN object representing the Chat

Definition at line 61 of file Irc.java.

References irc.Irc.data, irc.Irc.sentence, and irc.Irc.text.

Referenced by irc.Irc.main().

                                 {
                // Create frame
                sentence = jo;
                Frame frame=new Frame("Javanaise Client: IRC");
                frame.addWindowListener(new WindowAdapter() {
                        public void windowClosing(WindowEvent e) {
                                e.getWindow().dispose();
                                try {
                                        JvnServerImpl.jvnGetServer().jvnTerminate();
                                } catch (JvnException je) {}
                                System.exit(0);
                        }
                });
                frame.setLayout(new BorderLayout(1,1));

                // Create and add texts
                Panel texts = new Panel(new GridLayout(1,1));
                text=new TextArea(10,60);
                text.setEditable(false);
                text.setForeground(Color.red);
                text.setBackground(Color.black);
                texts.add(text);
                data=new TextField(40);
                texts.add(data);

                // Create and add buttons
                Panel buttons = new Panel(new GridLayout(1,1));
                Button read_and_unlock_button = new Button("Read + unlock");
                read_and_unlock_button.addActionListener(new ButtonListenerJvn1(this, ButtonType.ReadAndUnlock));
                buttons.add(read_and_unlock_button);
                Button read_button = new Button("Read");
                read_button.addActionListener(new ButtonListenerJvn1(this, ButtonType.Read));
                buttons.add(read_button);
                Button unlock_button = new Button("Unlock");
                unlock_button.addActionListener(new ButtonListenerJvn1(this, ButtonType.Unlock));
                buttons.add(unlock_button);
                Button write_button = new Button("Write");
                write_button.addActionListener(new ButtonListenerJvn1(this, ButtonType.Write));
                buttons.add(write_button);
                Button write_and_unlock_button = new Button("Write + unlock");
                write_and_unlock_button.addActionListener(new ButtonListenerJvn1(this, ButtonType.WriteAndUnlock));
                buttons.add(write_and_unlock_button);

                // Add texts + buttons and display frame
                frame.add(texts, BorderLayout.CENTER);
                frame.add(buttons, BorderLayout.SOUTH);
                frame.setSize(500,200);
                frame.setVisible(true);
        }

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Member Function Documentation

static void irc.Irc.main

(

String

argv[]

)

[static]

Main method: creates a JVN object named IRC for representing the IRC application

Definition at line 30 of file Irc.java.

References jvn.JvnException.getMessage(), irc.Irc.Irc(), jvn.JvnServerImpl.jvnCreateObject(), jvn.JvnServerImpl.jvnLookupObject(), jvn.JvnServerImpl.jvnRegisterObject(), and jvn.JvnObject.jvnUnLock().

                                               {
                try {
                        // initialize JVN
                        JvnServerImpl js = JvnServerImpl.jvnGetServer();

                        if (js == null) {
                                System.out.println("IRC problem : cannot create server!");
                        }
                        else {
                                // look up the IRC object in the JVN server
                                // if not found, create it, and register it in the JVN server
                                JvnObject jo = js.jvnLookupObject("IRC",JvnObject.class);
                                if (jo == null) {
                                        jo = js.jvnCreateObject(new Sentence());
                                        // after creation, I have a write lock on the object
                                        jo.jvnUnLock();
                                        js.jvnRegisterObject("IRC", jo);
                                }
                                // create the graphical part of the Chat application
                                new Irc(jo);
                        }
                } catch (JvnException je) {
                        System.out.println("IRC problem : " + je.getMessage());
                }
        }

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Member Data Documentation

TextArea irc.Irc.text [protected]

Definition at line 23 of file Irc.java.

Referenced by irc.Irc.Irc(), and irc.ButtonThreadJvn1.run().

TextField irc.Irc.data [protected]

Definition at line 24 of file Irc.java.

Referenced by irc.Irc.Irc(), and irc.ButtonThreadJvn1.run().

JvnObject irc.Irc.sentence [protected]

Definition at line 25 of file Irc.java.

Referenced by irc.Irc.Irc(), and irc.ButtonThreadJvn1.run().

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The documentation for this class was generated from the following file:

• Irc.java

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